Home / 113,762.79-170,644.25-47,185.04

Finding the Fourth Proportional to 113,762.79, 170,644.25 and 47,185.04

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Solution

The fourth proportional to 113,762.79, 170,644.25 and 47,185.04 is: 70,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,762.79 : 170,644.25 = 47,185.04 : x
  2. Step 2: Convert to fraction form
    113,762.79/170,644.25 = 47,185.04/x
  3. Step 3: Cross multiply
    113,762.79x = 170,644.25 × 47,185.04
  4. Step 4: Simplify right side
    113,762.79x = 8,051,854,672.87
  5. Step 5: Solve for x
    x = 8,051,854,672.87/113,762.79
  6. Step 6: Final answer
    x = 70,777.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.